Brown Bear: Bears are the only mammals that do not pee or poop for the entire time they are in their winter sleep! In fact, by studying the way bears recycle urine, doctors have been able to help human patients with kidney failure.

February 19th, 2015

February 13th, 2015

February 13th, 2015

About

San Diego Zoo Animals

San Diego Zoo Animals (formerly Animal Bytes) is the source for facts, articles, photos, videos, sounds, and more about the wildlife that you can find at the San Diego Zoo and San Diego Zoo Safari Park, as well as animals and habitats that San Diego Zoo Global Wildlife Conservancy is working to help through conservation and research projects.